Q: Is 778,625 a Prime Number?
A: No, 778,625 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 778625 can be evenly divided by 1 5 25 125 6,229 31,145 155,725 and 778,625, with no remainder.
Since 778,625 cannot be divided by just 1 and 778,625, it is not a prime number.